Biology

On the African savanna, a single invasive ant species has upset the delicate balance between predator and prey.

A Dune-loving worm paleontologist makes the case that worms have been just as important on Earth as they are in the blockbuster film

Surprisingly, the young of limbless amphibians called ringed caecilians stimulate their mother by touch and sound to release a milklike substance

One in four Labrador retrievers carries a gene that tricks their brain into thinking they’re starving

Schools of brainiac fish share “images” of nearby objects and use their extraordinary ability to see farther

Chinese researchers have found the gene responsible for the brown-and-white fur of a handful of giant pandas

Urinary tract infection symptoms can resurface long after bacteria are gone. A new study suggests nerve growth is to blame

For the first time, scientists make detailed observations of a single killer whale killing a great white shark and then eating its liver

Photographers captured a healthy male humpback penetrating a weaker individual in the first record of humpback whale sex

Odd cell divisions could help explain why even young, healthy couples might struggle to get pregnant

Humans may be the only animals that weep, but other species appear to tear up for different reasons

The humble vacuole, a garbage dump inside cells, turns out to play an important role in the aging process